VoIP SIP Gateway / Router

VoIP SIP Router is a cost-effective product integrated with VoIP function. User can enjoy the benefit of VoIP to make a international phone call. Using the SIP v1/v2 technology, user can register a phone number via free SIP server on the internet and make a call to the others which have the SIP number too. You don't need a computer to make a call, just use your phone to dial. For the Branch office, you can dial via PSTN to VoIP transfer to another PSTN area(Depend on the model you bought), it will save lots cost for telephone expense.